通話 つうわ料金 りょうきん せいではありませんでした
tsūwaryōkinseidewārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 通話料金制

1. Was not a call charge system.; Was not based on call charges.

Past/Perfective
Negative
Polite
Formal Register
Computing